.chart {
  height: 300px;
  width: 400px;
}

.example {
  text-align: center;
  background: rgba(0, 0, 0, 0.05);
  border-radius: 4px;
  margin-bottom: 20px;
  padding: 30px 50px;
  margin: 20px 0;
}

.hide {
  display: none;
}

.show {
  display: block;
}
